#include<stdio.h>
void one_three(void);
void two(void);
int main(void) {

	printf("starting now:\n");
	one_three();
	return 0;

}

void one_three(void) {
	printf("one\n");
	two();
	printf("three\n");
}

void two(void) {
	printf("two\n");
}


